Writing & StyleStyle guide

DV Domain for Protocol Deviations in FDA Study Data

FDA’s June 2026 guide explicitly calls for the DV domain in submissions containing protocol-deviation data and identifies review-oriented variables beyond CDISC-required fields.

Quick answer

FDA’s June 2026 guide says the DV domain should be included for protocol-deviation data and identifies additional variables used to support review of deviation trends and Bioresearch Monitoring activities.

Key details

Core IssueFDA’s June 2026 guide explicitly calls for the DV domain in submissions containing protocol-deviation data and identifies review-oriented variables beyond CDISC-required fields.
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Important caveats

Scope Boundary

This is current FDA technical-conformance guidance for electronic study-data submissions; recheck the current FDA guide, supported standards, Data Standards Catalog, and eCTD specifications before relying on version-sensitive requirements.

Further guidance

Content

Submit protocol-deviation data in DV and include the additional variables identified by the current guide, alongside CDISC-required variables, when submitting DV data.

Purpose

Support regulatory review of protocol-deviation patterns and downstream inspection/site-selection workflows without substituting a prose-only deviation listing for structured study data.

Sources and evidence

Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.

  1. Study Data Technical Conformance Guide - Technical Specifications Document (opens in a new tab)U.S. Food and Drug Administration · Current FDA technical specifications for standardized clinical and nonclinical study-data submissions, including reviewer guides, datasets and eCTD organization.

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